Soil Erodibility factor highest in

The soil erodibility factor also known as the K factor is a quantitative measure of the susceptibility of soil particles to detachment and transport by rainfall and runoff.
This factor is found to be highly influenced by the particle size distribution and clay mineralogy of the soil.
Soil erodibility factor is highest in soils having a high content of silt as they easily get withered and produce high rates of runoff.